pre_write_timer  1116 drivers/gpu/drm/radeon/r100.c 	unsigned pre_write_timer;
pre_write_timer  1150 drivers/gpu/drm/radeon/r100.c 	pre_write_timer = 64;
pre_write_timer  1168 drivers/gpu/drm/radeon/r100.c 	WREG32(0x718, pre_write_timer | (pre_write_limit << 28));